Home / 136,286.73-204,371.78-47,513.97

Finding the Fourth Proportional to 136,286.73, 204,371.78 and 47,513.97

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Solution

The fourth proportional to 136,286.73, 204,371.78 and 47,513.97 is: 71,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,286.73 : 204,371.78 = 47,513.97 : x
  2. Step 2: Convert to fraction form
    136,286.73/204,371.78 = 47,513.97/x
  3. Step 3: Cross multiply
    136,286.73x = 204,371.78 × 47,513.97
  4. Step 4: Simplify right side
    136,286.73x = 9,710,514,386.20
  5. Step 5: Solve for x
    x = 9,710,514,386.20/136,286.73
  6. Step 6: Final answer
    x = 71,250.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.